The FMCR1013 from Fairview Microwave is a RF & Microwave Circulator with Frequency 1 to 2 GHz, Average Power Forward 10 W, Average Power Reverse 10 W, Peak Power 30 W, Insertion Loss 1.2 dB. Tags: Coaxial Circulator. More details for FMCR1013 can be seen below.